Error
Error Code:
3144
MySQL Error 3144: Invalid JSON String Encoding
Description
This error occurs when MySQL attempts to convert a string into a JSON data type, but the character set of the source string is not compatible with JSON's encoding requirements. JSON values are typically expected to be UTF-8 encoded, and this error commonly arises during operations like `JSON_OBJECT` or `JSON_ARRAY`.
Error Message
Cannot create a JSON value from a string with CHARACTER SET '%s'.
Known Causes
3 known causesNon-UTF8 Input String
The string being converted to JSON is encoded in a character set other than UTF-8, which is the standard for JSON data.
Database/Column Character Set Mismatch
The character set of the database, table, or column storing the string does not align with UTF-8mb4, leading to encoding conflicts.
Incorrect Connection Character Set
The character set defined for the client connection to MySQL is not correctly configured to handle UTF-8 data.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service